1. Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

2. 100% of the RSUs vest on June 22, 2019, subject to the continuing service of the Reporting Person on the vesting date. Shares of the Issuer's common stock will be delivered to the Reporting Person upon vesting.

/s/ John Whittle, by power of attorney

08/16/2018

** Signature of Reporting Person

Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person,
see
Instruction
4
(b)(v).